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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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0994a5bff3
It's included from netdb.h and that header might define it differently, which can lead to build failures.
510 lines
14 KiB
C
510 lines
14 KiB
C
/* GStreamer
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* Copyright (C) <2005,2006> Wim Taymans <wim@fluendo.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Unless otherwise indicated, Source Code is licensed under MIT license.
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* See further explanation attached in License Statement (distributed in the file
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* LICENSE).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is furnished to do
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* so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/**
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* SECTION:gstrtspdefs
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* @short_description: common RTSP defines
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* @see_also: gstrtspurl, gstrtspconnection
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*
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* <refsect2>
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* <para>
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* Provides common defines for the RTSP library.
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* </para>
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* </refsect2>
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*
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* Last reviewed on 2007-07-24 (0.10.14)
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*/
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#include <errno.h>
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#include "gstrtspdefs.h"
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#ifdef G_OS_WIN32
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#include <winsock2.h>
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#else
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#include <netdb.h>
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#endif
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struct rtsp_header
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{
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const gchar *name;
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gboolean multiple;
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};
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static const gchar *rtsp_results[] = {
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"OK",
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/* errors */
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"Generic error",
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"Invalid parameter specified",
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"Operation interrupted",
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"Out of memory",
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"Cannot resolve host",
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"Function not implemented",
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"System error: %s",
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"Parse error",
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"Error on WSAStartup",
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"Windows sockets are not version 0x202",
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"Received end-of-file",
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"Network error: %s",
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"Host is not a valid IP address",
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"Timeout while waiting for server response",
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"Tunnel GET request received",
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"Tunnel POST request received",
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"Unknown error (%d)",
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NULL
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};
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static const gchar *rtsp_methods[] = {
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"DESCRIBE",
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"ANNOUNCE",
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"GET_PARAMETER",
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"OPTIONS",
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"PAUSE",
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"PLAY",
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"RECORD",
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"REDIRECT",
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"SETUP",
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"SET_PARAMETER",
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"TEARDOWN",
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"GET",
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"POST",
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NULL
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};
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static struct rtsp_header rtsp_headers[] = {
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{"Accept", TRUE},
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{"Accept-Encoding", TRUE},
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{"Accept-Language", TRUE},
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{"Allow", TRUE},
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{"Authorization", FALSE},
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{"Bandwidth", FALSE},
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{"Blocksize", FALSE},
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{"Cache-Control", TRUE},
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{"Conference", FALSE},
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{"Connection", TRUE},
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{"Content-Base", FALSE},
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{"Content-Encoding", TRUE},
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{"Content-Language", TRUE},
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{"Content-Length", FALSE},
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{"Content-Location", FALSE},
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{"Content-Type", FALSE},
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{"CSeq", FALSE},
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{"Date", FALSE},
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{"Expires", FALSE},
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{"From", FALSE},
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{"If-Modified-Since", FALSE},
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{"Last-Modified", FALSE},
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{"Proxy-Authenticate", TRUE},
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{"Proxy-Require", TRUE},
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{"Public", TRUE},
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{"Range", FALSE},
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{"Referer", FALSE},
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{"Require", TRUE},
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{"Retry-After", FALSE},
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{"RTP-Info", TRUE},
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{"Scale", FALSE},
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{"Session", FALSE},
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{"Server", FALSE},
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{"Speed", FALSE},
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{"Transport", TRUE},
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{"Unsupported", FALSE},
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{"User-Agent", FALSE},
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{"Via", TRUE},
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{"WWW-Authenticate", TRUE},
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/* Real extensions */
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{"ClientChallenge", FALSE},
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{"RealChallenge1", FALSE},
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{"RealChallenge2", FALSE},
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{"RealChallenge3", FALSE},
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{"Subscribe", FALSE},
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{"Alert", FALSE},
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{"ClientID", FALSE},
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{"CompanyID", FALSE},
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{"GUID", FALSE},
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{"RegionData", FALSE},
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{"SupportsMaximumASMBandwidth", FALSE},
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{"Language", FALSE},
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{"PlayerStarttime", FALSE},
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/* Since 0.10.16 */
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{"Location", FALSE},
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/* Since 0.10.23 */
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{"ETag", FALSE},
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{"If-Match", TRUE},
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/* WM extensions [MS-RTSP] Since 0.10.23 */
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{"Accept-Charset", TRUE},
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{"Supported", TRUE},
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{"Vary", TRUE},
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{"X-Accelerate-Streaming", FALSE},
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{"X-Accept-Authentication", FALSE},
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{"X-Accept-Proxy-Authentication", FALSE},
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{"X-Broadcast-Id", FALSE},
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{"X-Burst-Streaming", FALSE},
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{"X-Notice", FALSE},
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{"X-Player-Lag-Time", FALSE},
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{"X-Playlist", FALSE},
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{"X-Playlist-Change-Notice", FALSE},
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{"X-Playlist-Gen-Id", FALSE},
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{"X-Playlist-Seek-Id", FALSE},
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{"X-Proxy-Client-Agent", FALSE},
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{"X-Proxy-Client-Verb", FALSE},
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{"X-Receding-PlaylistChange", FALSE},
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{"X-RTP-Info", FALSE},
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{"X-StartupProfile", FALSE},
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/* Since 0.10.24 */
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{"Timestamp", FALSE},
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/* Since 0.10.25 */
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{"Authentication-Info", FALSE},
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{"Host", FALSE},
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{"Pragma", TRUE},
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{"X-Server-IP-Address", FALSE},
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{"X-Sessioncookie", FALSE},
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{NULL, FALSE}
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};
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#define DEF_STATUS(c, t) \
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g_hash_table_insert (statuses, GUINT_TO_POINTER(c), t)
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static GHashTable *
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rtsp_init_status (void)
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{
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GHashTable *statuses = g_hash_table_new (NULL, NULL);
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DEF_STATUS (GST_RTSP_STS_CONTINUE, "Continue");
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DEF_STATUS (GST_RTSP_STS_OK, "OK");
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DEF_STATUS (GST_RTSP_STS_CREATED, "Created");
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DEF_STATUS (GST_RTSP_STS_LOW_ON_STORAGE, "Low on Storage Space");
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DEF_STATUS (GST_RTSP_STS_MULTIPLE_CHOICES, "Multiple Choices");
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DEF_STATUS (GST_RTSP_STS_MOVED_PERMANENTLY, "Moved Permanently");
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DEF_STATUS (GST_RTSP_STS_MOVE_TEMPORARILY, "Move Temporarily");
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DEF_STATUS (GST_RTSP_STS_SEE_OTHER, "See Other");
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DEF_STATUS (GST_RTSP_STS_NOT_MODIFIED, "Not Modified");
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DEF_STATUS (GST_RTSP_STS_USE_PROXY, "Use Proxy");
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DEF_STATUS (GST_RTSP_STS_BAD_REQUEST, "Bad Request");
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DEF_STATUS (GST_RTSP_STS_UNAUTHORIZED, "Unauthorized");
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DEF_STATUS (GST_RTSP_STS_PAYMENT_REQUIRED, "Payment Required");
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DEF_STATUS (GST_RTSP_STS_FORBIDDEN, "Forbidden");
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DEF_STATUS (GST_RTSP_STS_NOT_FOUND, "Not Found");
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DEF_STATUS (GST_RTSP_STS_METHOD_NOT_ALLOWED, "Method Not Allowed");
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DEF_STATUS (GST_RTSP_STS_NOT_ACCEPTABLE, "Not Acceptable");
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DEF_STATUS (GST_RTSP_STS_PROXY_AUTH_REQUIRED,
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"Proxy Authentication Required");
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DEF_STATUS (GST_RTSP_STS_REQUEST_TIMEOUT, "Request Time-out");
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DEF_STATUS (GST_RTSP_STS_GONE, "Gone");
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DEF_STATUS (GST_RTSP_STS_LENGTH_REQUIRED, "Length Required");
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DEF_STATUS (GST_RTSP_STS_PRECONDITION_FAILED, "Precondition Failed");
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DEF_STATUS (GST_RTSP_STS_REQUEST_ENTITY_TOO_LARGE,
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"Request Entity Too Large");
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DEF_STATUS (GST_RTSP_STS_REQUEST_URI_TOO_LARGE, "Request-URI Too Large");
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DEF_STATUS (GST_RTSP_STS_UNSUPPORTED_MEDIA_TYPE, "Unsupported Media Type");
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DEF_STATUS (GST_RTSP_STS_PARAMETER_NOT_UNDERSTOOD,
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"Parameter Not Understood");
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DEF_STATUS (GST_RTSP_STS_CONFERENCE_NOT_FOUND, "Conference Not Found");
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DEF_STATUS (GST_RTSP_STS_NOT_ENOUGH_BANDWIDTH, "Not Enough Bandwidth");
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DEF_STATUS (GST_RTSP_STS_SESSION_NOT_FOUND, "Session Not Found");
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DEF_STATUS (GST_RTSP_STS_METHOD_NOT_VALID_IN_THIS_STATE,
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"Method Not Valid in This State");
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DEF_STATUS (GST_RTSP_STS_HEADER_FIELD_NOT_VALID_FOR_RESOURCE,
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"Header Field Not Valid for Resource");
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DEF_STATUS (GST_RTSP_STS_INVALID_RANGE, "Invalid Range");
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DEF_STATUS (GST_RTSP_STS_PARAMETER_IS_READONLY, "Parameter Is Read-Only");
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DEF_STATUS (GST_RTSP_STS_AGGREGATE_OPERATION_NOT_ALLOWED,
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"Aggregate operation not allowed");
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DEF_STATUS (GST_RTSP_STS_ONLY_AGGREGATE_OPERATION_ALLOWED,
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"Only aggregate operation allowed");
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DEF_STATUS (GST_RTSP_STS_UNSUPPORTED_TRANSPORT, "Unsupported transport");
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DEF_STATUS (GST_RTSP_STS_DESTINATION_UNREACHABLE, "Destination unreachable");
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DEF_STATUS (GST_RTSP_STS_INTERNAL_SERVER_ERROR, "Internal Server Error");
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DEF_STATUS (GST_RTSP_STS_NOT_IMPLEMENTED, "Not Implemented");
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DEF_STATUS (GST_RTSP_STS_BAD_GATEWAY, "Bad Gateway");
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DEF_STATUS (GST_RTSP_STS_SERVICE_UNAVAILABLE, "Service Unavailable");
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DEF_STATUS (GST_RTSP_STS_GATEWAY_TIMEOUT, "Gateway Time-out");
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DEF_STATUS (GST_RTSP_STS_RTSP_VERSION_NOT_SUPPORTED,
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"RTSP Version not supported");
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DEF_STATUS (GST_RTSP_STS_OPTION_NOT_SUPPORTED, "Option not supported");
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return statuses;
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}
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/**
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* gst_rtsp_strresult:
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* @result: a #GstRTSPResult
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*
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* Convert @result in a human readable string.
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*
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* Returns: a newly allocated string. g_free() after usage.
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*/
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gchar *
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gst_rtsp_strresult (GstRTSPResult result)
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{
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gint idx;
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gchar *res;
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idx = ABS (result);
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idx = CLAMP (idx, 0, -GST_RTSP_ELAST);
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switch (idx) {
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#ifdef G_OS_WIN32
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case -GST_RTSP_ESYS:
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case -GST_RTSP_ENET:
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{
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gchar *msg = g_win32_error_message (WSAGetLastError ());
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res = g_strdup_printf (rtsp_results[idx], msg);
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g_free (msg);
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break;
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}
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#else
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case -GST_RTSP_ESYS:
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res = g_strdup_printf (rtsp_results[idx], g_strerror (errno));
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break;
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case -GST_RTSP_ENET:
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res = g_strdup_printf (rtsp_results[idx], hstrerror (h_errno));
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#endif
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break;
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case -GST_RTSP_ELAST:
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res = g_strdup_printf (rtsp_results[idx], result);
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break;
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default:
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res = g_strdup (rtsp_results[idx]);
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break;
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}
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return res;
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}
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/**
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* gst_rtsp_method_as_text:
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* @method: a #GstRTSPMethod
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*
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* Convert @method to a string.
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*
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* Returns: a string representation of @method.
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*/
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const gchar *
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gst_rtsp_method_as_text (GstRTSPMethod method)
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{
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gint i;
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if (method == GST_RTSP_INVALID)
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return NULL;
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i = 0;
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while ((method & 1) == 0) {
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i++;
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method >>= 1;
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}
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return rtsp_methods[i];
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}
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/**
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* gst_rtsp_version_as_text:
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* @version: a #GstRTSPVersion
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*
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* Convert @version to a string.
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*
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* Returns: a string representation of @version.
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*/
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const gchar *
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gst_rtsp_version_as_text (GstRTSPVersion version)
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{
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switch (version) {
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case GST_RTSP_VERSION_1_0:
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return "1.0";
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case GST_RTSP_VERSION_1_1:
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return "1.1";
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default:
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return "0.0";
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}
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}
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/**
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* gst_rtsp_header_as_text:
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* @field: a #GstRTSPHeaderField
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*
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* Convert @field to a string.
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*
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* Returns: a string representation of @field.
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*/
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const gchar *
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gst_rtsp_header_as_text (GstRTSPHeaderField field)
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{
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if (field == GST_RTSP_HDR_INVALID)
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return NULL;
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else
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return rtsp_headers[field - 1].name;
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}
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/**
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* gst_rtsp_status_as_text:
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* @code: a #GstRTSPStatusCode
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*
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* Convert @code to a string.
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*
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* Returns: a string representation of @code.
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*/
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const gchar *
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gst_rtsp_status_as_text (GstRTSPStatusCode code)
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{
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static GHashTable *statuses;
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if (G_UNLIKELY (statuses == NULL))
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statuses = rtsp_init_status ();
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return g_hash_table_lookup (statuses, GUINT_TO_POINTER (code));
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}
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/**
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* gst_rtsp_find_header_field:
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* @header: a header string
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*
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* Convert @header to a #GstRTSPHeaderField.
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*
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* Returns: a #GstRTSPHeaderField for @header or #GST_RTSP_HDR_INVALID if the
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* header field is unknown.
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*/
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GstRTSPHeaderField
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gst_rtsp_find_header_field (const gchar * header)
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{
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gint idx;
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for (idx = 0; rtsp_headers[idx].name; idx++) {
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if (g_ascii_strcasecmp (rtsp_headers[idx].name, header) == 0) {
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return idx + 1;
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}
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}
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return GST_RTSP_HDR_INVALID;
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}
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/**
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* gst_rtsp_find_method:
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* @method: a method
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*
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* Convert @method to a #GstRTSPMethod.
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*
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* Returns: a #GstRTSPMethod for @method or #GST_RTSP_INVALID if the
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* method is unknown.
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*/
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GstRTSPMethod
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gst_rtsp_find_method (const gchar * method)
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{
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gint idx;
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for (idx = 0; rtsp_methods[idx]; idx++) {
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if (g_ascii_strcasecmp (rtsp_methods[idx], method) == 0) {
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return (1 << idx);
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}
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}
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return GST_RTSP_INVALID;
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}
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/**
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* gst_rtsp_options_as_text:
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* @options: one or more #GstRTSPMethod
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*
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* Convert @options to a string.
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*
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* Returns: a new string of @options. g_free() after usage.
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*
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* Since: 0.10.23
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*/
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gchar *
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gst_rtsp_options_as_text (GstRTSPMethod options)
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{
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GString *str;
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str = g_string_new ("");
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if (options & GST_RTSP_OPTIONS)
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g_string_append (str, "OPTIONS, ");
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if (options & GST_RTSP_DESCRIBE)
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g_string_append (str, "DESCRIBE, ");
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if (options & GST_RTSP_ANNOUNCE)
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g_string_append (str, "ANNOUNCE, ");
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if (options & GST_RTSP_GET_PARAMETER)
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g_string_append (str, "GET_PARAMETER, ");
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if (options & GST_RTSP_PAUSE)
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g_string_append (str, "PAUSE, ");
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if (options & GST_RTSP_PLAY)
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g_string_append (str, "PLAY, ");
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if (options & GST_RTSP_RECORD)
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g_string_append (str, "RECORD, ");
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if (options & GST_RTSP_REDIRECT)
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g_string_append (str, "REDIRECT, ");
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if (options & GST_RTSP_SETUP)
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g_string_append (str, "SETUP, ");
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if (options & GST_RTSP_SET_PARAMETER)
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g_string_append (str, "SET_PARAMETER, ");
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if (options & GST_RTSP_TEARDOWN)
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g_string_append (str, "TEARDOWN, ");
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/* remove trailing ", " if there is one */
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if (str->len > 2)
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str = g_string_truncate (str, str->len - 2);
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return g_string_free (str, FALSE);
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}
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/**
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* gst_rtsp_header_allow_multiple:
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* @field: a #GstRTSPHeaderField
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*
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* Check whether @field may appear multiple times in a message.
|
|
*
|
|
* Returns: %TRUE if multiple headers are allowed.
|
|
*
|
|
* Since: 0.10.25
|
|
*/
|
|
gboolean
|
|
gst_rtsp_header_allow_multiple (GstRTSPHeaderField field)
|
|
{
|
|
if (field == GST_RTSP_HDR_INVALID)
|
|
return FALSE;
|
|
else
|
|
return rtsp_headers[field - 1].multiple;
|
|
}
|